Triple

T15055013
Position Surface form Disambiguated ID Type / Status
Subject Alton Lock and Dam E379465 entity
Predicate locatedUpstreamFrom P5955 FINISHED
Object Chain of Rocks Lock and Dam
Chain of Rocks Lock and Dam is a Mississippi River navigation structure near St. Louis, Missouri, designed to maintain a navigable channel and manage river traffic and water levels.
E1139575 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Chain of Rocks Lock and Dam | Statement: [Alton Lock and Dam, locatedUpstreamFrom, Chain of Rocks Lock and Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chain of Rocks Lock and Dam
Context triple: [Alton Lock and Dam, locatedUpstreamFrom, Chain of Rocks Lock and Dam]
  • A. Chouteau Lock and Dam
    Chouteau Lock and Dam is a navigation and flood-control structure on the McClellan–Kerr Arkansas River Navigation System in Oklahoma.
  • B. Coffeeville Lock and Dam
    Coffeeville Lock and Dam is a navigation and flood-control structure on the Tombigbee River in Alabama that helps regulate water levels and support river traffic.
  • C. Holt Lock and Dam
    Holt Lock and Dam is a navigation and flood-control structure on the Black Warrior River in Alabama that helps regulate water levels and support commercial barge traffic.
  • D. Winfield Lock and Dam
    Winfield Lock and Dam is a navigation and flood-control structure on the Kanawha River in West Virginia that helps regulate river levels and facilitate barge traffic.
  • E. Tom Bevill Lock and Dam
    Tom Bevill Lock and Dam is a navigation and flood-control structure on the Tombigbee River in Alabama, forming part of the Tennessee-Tombigbee Waterway system.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Chain of Rocks Lock and Dam
Triple: [Alton Lock and Dam, locatedUpstreamFrom, Chain of Rocks Lock and Dam]
Generated description
Chain of Rocks Lock and Dam is a Mississippi River navigation structure near St. Louis, Missouri, designed to maintain a navigable channel and manage river traffic and water levels.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chain of Rocks Lock and Dam
Target entity description: Chain of Rocks Lock and Dam is a Mississippi River navigation structure near St. Louis, Missouri, designed to maintain a navigable channel and manage river traffic and water levels.
  • A. Chouteau Lock and Dam
    Chouteau Lock and Dam is a navigation and flood-control structure on the McClellan–Kerr Arkansas River Navigation System in Oklahoma.
  • B. Coffeeville Lock and Dam
    Coffeeville Lock and Dam is a navigation and flood-control structure on the Tombigbee River in Alabama that helps regulate water levels and support river traffic.
  • C. Holt Lock and Dam
    Holt Lock and Dam is a navigation and flood-control structure on the Black Warrior River in Alabama that helps regulate water levels and support commercial barge traffic.
  • D. Winfield Lock and Dam
    Winfield Lock and Dam is a navigation and flood-control structure on the Kanawha River in West Virginia that helps regulate river levels and facilitate barge traffic.
  • E. Tom Bevill Lock and Dam
    Tom Bevill Lock and Dam is a navigation and flood-control structure on the Tombigbee River in Alabama, forming part of the Tennessee-Tombigbee Waterway system.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d85cd64d108190853797a95c11cc45 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69deda92091c81909180f486edf01405 completed April 15, 2026, 12:23 a.m.
NED1 Entity disambiguation (via context triple) batch_69febfdc8f64819083c7e3510e671b9a completed May 9, 2026, 5:02 a.m.
NEDg Description generation batch_69fec11a80a48190809775d712eb6399 completed May 9, 2026, 5:07 a.m.
NED2 Entity disambiguation (via description) batch_69fec1822c28819082f473f573669099 completed May 9, 2026, 5:09 a.m.
Created at: April 10, 2026, 3:01 a.m.